... Opening Angle Max 60KG Door Weight Automatic door closer with hold open feature Door closer is installed at the top of the door leaf with single opening, is applicable to wooden door,steel door and fire door. Appliable to single door......

spring balanced dooropener(Australian dooropener)

ECR rolling shutter motor has been produced by Jie Long for many years. It utilizes the most advanced production techniques with the latest techniques available to provide reliability with diverse functionality. The product is known for its quality, it is......